Matematika A - 2016. ljeto, 5.

$y^2=2xy^\{2\}=2\; x$

$(x-1{)}^2+(y-2{)}^2=1(x-1)^\{2\}+(y-2)^\{2\}=1$

$\frac{x^2}{20}+\frac{y^2}{5}=1\backslash frac\{x^\{2\}\}\{20\}+\backslash frac\{y^\{2\}\}\{5\}=1$

$\frac{x^2}{3}-\frac{y^2}{12}=1\backslash frac\{x^\{2\}\}\{3\}-\backslash frac\{y^\{2\}\}\{12\}=1$